Trifolium plant named ‘TFLRG05-0’

ABSTRACT

A new and distinct  Trifolium  cultivar named ‘TFLRG05-0’ is disclosed, characterized by Unique gray green leaf coloration with a red zigzag pattern, foliage with a majority of 4 leaflets per leaf, small leaf size, and compact plant formation. The new variety is a  Trifolium,  typically produced as an ornamental plant.

Latin name of the genus and species: Trifolium repens.

Variety denomination: ‘TFLRG05-0’.

BACKGROUND OF THE INVENTION

The new cultivar is a product of a planned breeding program. The objectives of the planned breeding program were to develop new Trifolium varieties with interesting foliage for ornamental purposes. The breeding program was developed under the direction of the co-inventors, Takayuki Kobayashi and Kazunori Sato, in Japan. The new variety originated from a cross pollination of an unpatented, unnamed, proprietary variety of Trifolium repens seed parent and the pollen parent, a different unpatented, unnamed, proprietary variety of Trifolium repens. The crossing was made during 2007.

The new variety was selected by the inventors, Takayuki Kobayashi and Kazunori Sato, in September 2011 in a group of seedlings resulting from the crossing. The new cultivar was selected in a non-commercial greenhouse in Japan.

Asexual reproduction of the new cultivar ‘TFLRG05-0’ was first performed at a non-commercial greenhouse in Japan by vegetative cuttings in March 2012. More than 5 generations have been reproduced by vegetative cuttings. Subsequently, propagation has also been performed by tissue culture. Both methods have shown that the unique features of this cultivar are stable and reproduced true to type.

SUMMARY OF THE INVENTION

The cultivar ‘TFLRG05-0’ has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, day length, and light intensity, without, however, any variance in genotype.

The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘TFLRG05-0’. These characteristics in combination distinguish ‘TFLRG05-0’ as a new and distinct Trifolium cultivar:

-   -   1. Unique gray green leaves with a red pattern.     -   2. Typically 4 leaflets per leaf for more than 50% of foliage         per plant.     -   3. Leaf size is little smaller than normal Trifolium.     -   4. Plant size is compact.

PARENT COMPARISON

Plants of the new cultivar ‘TFLRG05-0’ are similar to the proprietary Trifolium repens seed parent in most horticultural characteristics. The new variety however differs in the following characteristics:

-   -   1. Different foliage coloration.     -   2. Different leaflet count per leaf.     -   3. Stronger growth rate.

Plants of the new cultivar ‘TFLRG05-0’ are similar to the proprietary pollen parent in most horticultural characteristics. The new variety however differs in the following characteristics:

-   -   1. Variegated foliage coloration, pollen parent is has solid         foliage coloration.     -   2. Different leaflet count per leaf.     -   3. Faster and more vigorous plant.

COMMERCIAL COMPARISON

‘TFLRG05-0’ can be compared to the unpatented commercial variety Trifolium ‘Just Wish Happy Life’. Plants of ‘Just Wish Happy Life’ are similar to plants of ‘TFLRG05-0’ in most horticultural characteristics. However ‘TFLRG05-0’ differs from ‘Just Wish Happy Life’ in the following characteristics:

-   -   1. Faster growth rate.     -   2. Leaflet is smaller.

BRIEF DESCRIPTION OF THE PHOTOGRAPH

The accompanying photograph in FIG. 1 illustrates in full color a typical plant of ‘TFLRG05-0’ grown in a greenhouse in Santa Paula, Calif.

This plant is approximately 9 months old, shown in a 6 inch pot. The photograph was taken using conventional techniques and although colors may appear different from actual colors due to light reflectance it is as accurate as possible by conventional photographic techniques.

DETAILED BOTANICAL DESCRIPTION

In the following description, color references are made to The Royal Horticultural Society Colour Chart 2007, except where general terms of ordinary dictionary significance are used. The following observations and measurements describe ‘TFLRG05-0’ plants grown in a climate controlled greenhouse in Santa Paula, Calif. Temperatures ranged from 20° C. to 25° C. at night to 25° C. to 32° C. during the day. No artificial light, photoperiodic treatments were given to the plants. Plants were grown in 50% shade. Measurements and numerical values represent averages of typical plant types.

-   Botanical classification: Trifolium repens ‘TFLRG05-0’.

PROPAGATION

-   Root description: Fine, non-fleshy roots. Roots approximately 0.3 cm     thick, colored near RHS White 155A.

PLANT

-   Growth habit: Herbaceous, upright perennial with basally emerging     foliage. Foliage emerges from a system of above ground rhizotamous     stems. -   Plant shape: Upright, petioles slightly arching out and undulating. -   Height: Approximately 19 cm to top of foliar plane. -   Plant spread: Approximately 30 cm in a 6 inch pot. -   Pot size of plant described: 5 inch. -   Growth rate: Rapid and vigorous. -   Branching characteristics: No true branching. Leaves emerge direct     from above ground rhizotamous stems. -   Rhizotamous stems: Approximately 3 to 5 main stems on a plant of 6     months.     -   -   Diameter.—Approximately 0.3 cm.         -   Length.—Variable, average range 10 to 30 cm. Stems will             circle the edge of the pot.         -   Color.—Near Green 143C.         -   Texture.—Smooth.         -   Appearance.—Shiny. -   Age of plant described: Approximately 6 months.

FOLIAGE

-   Leaf:     -   -   Number of leaves per plant.—Approximately 65 to 80 compound             leaves.         -   Arrangement.—Compound leaf made up of 3 to 5 leaflets.             Leaflets rotate, if 3 to 5 occurring. Opposite arrangement             when 4 leaflets. 4 leaflet arrangement is most common. -   Compound leaf:     -   -   Average diameter.—3.2 cm.         -   Average depth.—0.9 cm. -   Leaflets:     -   -   Average length.—1.8 cm, including leaflet petiole.         -   Average width.—0.9 to 1.5 cm.         -   Shape of blade.—Orbicular.         -   Aspect.—Slightly undulating, mainly flat.         -   Apex.—Retuse.         -   Base.—Rounded.         -   Margin.—Very fine serration.         -   Attached.—Stalked.         -   Appearance.—Matte, both upper and lower surfaces.         -   Texture of top surface.—Smooth.         -   Texture of bottom surface.—Smooth.         -   Color.—Young foliage upper side: Near RHS Green138D. Large             deltate shaped blotch at leaflet base near Greyed-Purple             N186B. Surrounding basal blotch, irregular halo colored             Greyed-Purple 187D. Mid vein coloration extends to apex,             near Greyed-Purple N186B. Young foliage under side: Near RHS             Green138C. Moderate blotching along mid vein near             Greyed-Purple 187B. Mature foliage upper side: Near RHS             Green138D. Large deltate shaped blotch at leaflet base near             Greyed-Purple N186B. Surrounding basal blotch, large,             irregular halo colored Greyed-Purple 187D. Mature foliage             under side: Near RHS Green138B. Moderate blotching along mid             vein near Greyed-Purple N186C and 187B, both colors present             individually. -   Leaflet petiole:     -   -   Length.—Approximately 0.15 cm.         -   Width.—Approximately 0.1 cm.         -   Color.—Near Green 138C.         -   Texture.—Smooth. -   Venation:     -   -   Type.—Pinnate.         -   Venation coloration upper side.—Mid vein Green 143C. Upper             veins Green 138C.         -   Venation coloration under side.—Mid vein Green 143C. Upper             veins Green 138C. -   Leaf petiole:     -   -   Length.—Approximate range from 5.5 cm to 20 cm.         -   Width.—Approximately 0.2 cm.         -   Color.—Near Green 143B.         -   Texture.—Smooth.         -   Appearance.—Shiny.         -   Strength.—Highly flexible, moderately strong.

INFLORESCENCE

-   Flowering has not been observed to date.

OTHER CHARACTERISTICS

-   Disease resistance: Neither resistance nor susceptibility to the     normal diseases and pests of Trifolium observed to date. -   Drought tolerance and cold tolerance: The new cultivar is a typical     Trifolium, cold tolerant to approximately 5° to 7° C. and does not     tolerate drought. -   Fruit/seed production: Not observed. 

What is claimed is:
 1. A new and distinct cultivar of Trifolium plant named ‘TFLRG05-0’ as herein illustrated and described. 